to determine all G. holbrooki predators, due to its own predatory nature in the areas where it has been introduced. In the introduced areas, it has been known to cause top-down trophic effects due to its eating the larvae of some top predators, which include frogs and other fish. Visual exposure to its predator, largemouth bass (Micropterus salmoides) is known to affect its reproduction. References Gambusia Fish described in 1859 Fauna of the Southeastern United States Fish of North America Mosquitofish Live-bearing fish Freshwater fish of the Southeastern United States